171122-N-QM691-0225 AMAZON RIVER, Brazil (Nov. 22, 2017) Lt. Cmdr. Nehkonti Adams, an infectious diseases specialist, left, and Lt. Gregory Condos, a U.S. Navy internal medicine specialist, middle, work with 2nd Lt. Raissa Vieira Sanchez, a Brazilian medical officer, right, to diagnose an elderly woman on her houseboat near a remote village along the Amazon River in Brazil. Adams and Condos are members of a team of five U.S. Navy doctors who are engaging in a month-long humanitarian mission up the Amazon River. The team is working with the Brazilian Navy to deliver healthcare to some of the most isolated people in the world. (U.S. Navy photo by Mass Communication Specialist 2nd Class Andrew Brame/Released)